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30,076
RESULTS

Media Type
1
collections
29,502
texts
363
movies
158
audio
43
images
7
data
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Topics & Subjects
10,276
Water Supply
8,485
Public Health
8,482
Sanitation
8,337
Disease Outbreaks
6,414
power supply
2,360
Water-supply
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Collection
10,299
The Medical Heritage Library
10,222
European Libraries
10,207
UK Medical Heritage Library
10,047
Wellcome Library
9,906
Medical Officer of Health reports
7,810
American Libraries
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Creator
1,986
eric
1,346
united states. soil conservation service
377
united states. soil conservation service. division of irrigation
306
california. dept. of water resources
304
united states. war food administration
291
nasa technical reports server (ntrs)
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Language
29,072
English
208
French
191
English and French
66
German
20
Italian
19
Spanish
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